A386539 - cp's OEIS frontend

A386539 Triangle read by rows: T(n,k) is the maximum possible area of a polygon within a ellipse with integer axis n and k, where n >= k >= 1 and both the center and the vertices lie on points of a unit square grid.

n	a(n)
1	2
2	4
3	8
4	6
5	14
6	24
7	8
8	20
9	28
10	42
11	10
12	26
13	38
14	56
15	74
16	12
17	32
18	48
19	66
20	82
21	104
22	14
23	38
24	58
25	80
26	100
27	122
28	138
29	16
30	40
31	64
32	88
33	114
34	134
35	164
36	186
37	18
38	46
39	74
40	98
41	132
42	152
43	186
44	212
45	240
46	20
47	52
48	84
49	112
50	150
51	174
52	208
53	232
54	266
55	304
56	22
57	58
58	94
59	126
60	160
61	196
62	226
63	262
64	296
65	324
66	362

[2, 4, 8, 6, 14, 24, 8, 20, 28, 42, 10, 26, 38, 56, 74, 12, 32, 48, 66, 82, 104, 14, 38, 58, 80, 100, 122, 138, 16, 40, 64, 88, 114, 134, 164, 186, 18, 46, 74, 98, 132, 152, 186, 212, 240, 20, 52, 84, 112, 150, 174, 208, 232, 266, 304, 22, 58, 94, 126, 160, 196, 226, 262, 296, 324, 362]

cp's OEIS Frontend

A386539 Triangle read by rows: T(n,k) is the maximum possible area of a polygon within a ellipse with integer axis n and k, where n >= k >= 1 and both the center and the vertices lie on points of a unit square grid.

Table of values

List of values

n	a(n)
1	2
2	4
3	8
4	6
5	14
6	24
7	8
8	20
9	28
10	42
11	10
12	26
13	38
14	56
15	74
16	12
17	32
18	48
19	66
20	82
21	104
22	14
23	38
24	58
25	80
26	100
27	122
28	138
29	16
30	40
31	64
32	88
33	114
34	134
35	164
36	186
37	18
38	46
39	74
40	98
41	132
42	152
43	186
44	212
45	240
46	20
47	52
48	84
49	112
50	150
51	174
52	208
53	232
54	266
55	304
56	22
57	58
58	94
59	126
60	160
61	196
62	226
63	262
64	296
65	324
66	362

n	a(n)
1	2
2	4
3	8
4	6
5	14
6	24
7	8
8	20
9	28
10	42
11	10
12	26
13	38
14	56
15	74
16	12
17	32
18	48
19	66
20	82
21	104
22	14
23	38
24	58
25	80
26	100
27	122
28	138
29	16
30	40
31	64
32	88
33	114
34	134
35	164
36	186
37	18
38	46
39	74
40	98
41	132
42	152
43	186
44	212
45	240
46	20
47	52
48	84
49	112
50	150
51	174
52	208
53	232
54	266
55	304
56	22
57	58
58	94
59	126
60	160
61	196
62	226
63	262
64	296
65	324
66	362

n	a(n)
1	2
2	4
3	8
4	6
5	14
6	24
7	8
8	20
9	28
10	42
11	10
12	26
13	38
14	56
15	74
16	12
17	32
18	48
19	66
20	82
21	104
22	14
23	38
24	58
25	80
26	100
27	122
28	138
29	16
30	40
31	64
32	88
33	114
34	134
35	164
36	186
37	18
38	46
39	74
40	98
41	132
42	152
43	186
44	212
45	240
46	20
47	52
48	84
49	112
50	150
51	174
52	208
53	232
54	266
55	304
56	22
57	58
58	94
59	126
60	160
61	196
62	226
63	262
64	296
65	324
66	362